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GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

program A titan, as defined by Samuel Yates, is anyone who has found a titanic prime. This page provides data on those that have found these primes. The data below only reflect on the primes currently on the list. (Many of the terms that are used here are explained on another page.)

Proof-code(s): p392, p393, p403
E-mail address: (e-mail address unpublished)
Web page:
Username: cksieve (entry created on 05/21/2016)
Database id:4589 (entry last modified on 03/01/2019)
Program Does *: sieve
Active primes:on current list: 3, rank by number 29
Total primes: number ever on any list: 8
Production score: for current list 45 (normalized: 5), total 46.2747, rank by score 26
Largest prime: (290124116 - 1)2 - 2 ‏(‎611246 digits) via code p403 on 03/01/2019
Most recent: (290124116 - 1)2 - 2 ‏(‎611246 digits) via code p403 on 03/01/2019
Entrance Rank: mean 1840.00 (minimum 1465, maximum 2284)

Descriptive Data: (report abuse)
This program is a sieve for near square numbers of the form (b^n-1)^2-2 and (b^n+1)^2-2. Primes of this form are also known as Carol or Kynea primes.

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Surname: Cksieve (used for alphabetizing and in codes)
Unverified primes are omitted from counts and lists until verification completed.